Soap pump



FIG. 1 is a front, top, and left side perspective view of a soap pump embodying our new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

All features illustrated in phantom line are expressly disclaimed and form no part of the claimed design. 

The ornamental design for a soap pump, as shown and described. 